> AFAIK there is no native GCC compiler for Windows
might want to check your facts before spouting nonsense. there is, and has been for many, many years. more than one in fact:
https://github.com/mstorsjo/llvm-mingw
https://packages.msys2.org/base/mingw-w64-gcc
https://mirrors.kernel.org/sourceware/cygwin/x86_64/release/...